ML17054A318
| ML17054A318 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 12/20/1983 |
| From: | Vassallo D Office of Nuclear Reactor Regulation |
| To: | Niagara Mohawk Power Corp |
| Shared Package | |
| ML17054A319 | List: |
| References | |
| DPR-63-A-053 NUDOCS 8401060185 | |
| Download: ML17054A318 (70) | |
Text
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UNITEDSTATES I
NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 NIAGARA MOHAWK POWER CORPORATION DOCKET NO. 50-220 NINE MILE POINT NUCLEAR STATION, UNIT NO.
1 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 53 License No.
DPR-63 1.
The Nuclear Regulatory Commission (the Commission) has found that:
A.
The application for amendment by Niagara Mohawk Power Corporation (the licensee) dated March 22,
- 1978, supplemented March 17,
- 1980, and superseded May 2, 1983, complies with the standards and reauirements of the Atomic Energy Act of 1954, as amended (the Act) and the Commission's rules and regIjlations set forth in 10 CFR Chapter I; B.
The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Commission; C.
There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Commission's regulations; D.
The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; and E.
The issuance of this amendment is in accordance with 10 CFR Part 51 of the Commission's regulations and all applicable requirements have been satisfied.
2.
Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachment to this license amendment, and paragraph 2.C.(2) of Facility Operating License No.
DPR-63 is hereby amended to read as follows:
c 840ioboi8 5000220 g 83i220 PDR ADOCK 0 p
(2) Technical S ecifications The Technical Specifications contained in Appendices A and B, as revised through Amendment No.. 53, are hereby incorporated. in the license.
The licensee shall operate the facility in accordance with the Technical Specifications.
3.
This license amendment is effective as of the date of its issuance.
FOR THE NUCLEAR REGULATORY COMMISSION Domenic B. Vassallo, Chief Operating Reactors Branch 82 Division of Licensing
Attachment:
Changes to the Technical Specifications Date of Issuance:
December 20, 1983
ATTACHMENT TO LICENSE AMENDt1ENT NO.
53 FACILITY OPERATING LICENSE NO.
DPR-63 DOCKET NO. 50-220 Revise the Appendix A Technical Specifications by removing and inserting the following pages:
Existing
~Pa e
4a 241m 241n 241o 241p 241q 241ql 241r 241s 24lt 241u 241v 241w 241x 241y 241z 241aa 241cc 241dd Revised
~Pa e
4a 241m 24ln 241o, ol, o2, o3, o4, o5, o6 24lp 24lq 241ql 241r 241s, sl 24lt, tl 241u 24k v 241w 24lx 241y, yl 24lz 241aa 241cc 24ldd, ddl, dd2, dd3, dd4 The revised areas are indicated by marginal lines.
1.16 Fire Sup ression Water S stem A Fire Suppression Water system shall consist of:
a water supply system, fixed extinguishing systems of both automatic sprinklers and sprays, and manual fire fighting equipment consisting of standpipe risers with hose'connections and hose reels.
1.17 Fire Watch Patrol I
At least each hour an area with inoperable Fire Protection Equipment shall be inspected for abnormal conditions.
Amendment No. ~,
53 4a
LIMITING CONDITION FOR OPERATION SURVE ILLANCE REqUIREMENT 3.6.6 F IRE DETECTION
~el ~icab i 1 it Applies to the operational status of the fire detecti on system.
Objec tive:
To assure the capability of fire detection instrumentation for each fire detection zone shown in Table 3.6.6a to provide fire detection.
~Sec ification:
a.
With the number of detectors OPERABLE less than the number required by Table 3.6.6a.
1.
Within one hour, estabish a fire watch patrol to inspect the zone with the inoperable detector(s);.
and 2.
Restore the inoperable detector(s) to OPERABLE status within 14 days OR 3.
Prepa're and submit a report in accordance with 6.9.2.b.
4.6.6 FIRE DETECTION
~np 1 i cabal it:
Applies to the periodic surveillance of the fire detection system.
Objec tive:
To assure the operability of the fire detection instrumentation for each fire detection zone shown in Table 3.6.6a to provide fire detection.
~Sifts ti a.
Each of the fire detect'ors shall be demonstrated OPERABLE:
I.
By performance of an instrument channel test at least once per six months for all detection devices.
Amendment No. gcf, 53 241m
LOCATION TABLE 3.6.6a FIRE DETECTORS PROTECTING SAFETY-RELATED EQUIPMENT DETECTION ZONES LOCAL FIRE ALARM CONTROL PANEL ¹1
¹ DETECTORS MINIMUM¹ OPERABLE 1
DA-2031 Turb. Bldg.
250 North of Cable Spread Room 2
DA-2041N - Turb. Bldg.
250 Diesel Gen.
10Z 3
DA-2041S Turb. Bldg.
250 Diesel Gen.
103 4
DA-2051E Turb. Bldg.
250 South Side East 5
DA-2051W Turb. Bldg. 250 South Side West
.6 DA-2081S - Turb. Bldg.
261 East Corridor 7
DX-2141A Turb. Bldg.
261 Diesel Gen.
102 8
DX-2141B - Turb. Bldg.
261 Diesel Gen.
102 9
D-2151 - Turb.
Gldg.
261 D.G.
1I13 Cable Tray.
10 DX-2151A Turb. Bldg.
261 Diesel Gen.
103 11 DX-2151B Turb. Bldg.
261 Diesel Gen.
103 12 DA-2161E Turb. Bldg.
261 South Side East 13 DA-2161M - Turb. Bldg.
261 P.B.
11 5 12 Area 14 DX-3011A Turb. Bldg.
250 Cable Spreading Room 15 DX-3011B - Turb. Bldg.
250 Cable Spreading Room 16 D-3031PL Turb. Bldg.
261 Aux. Control Room Panels 17 12 14 16 41 23 22 99 17 12 16 41 2 (Note 1) 23 22 80 (Note 1)
Amendment No. ~,
53 Z41n
TABLE 3.6.6a FIRE DETECTORS PROTECTING SAFETY-RELATED EQUIPMENT DETECTION ZONES LOCAL FIRE ALARM,CONTROL PANEL 81 (continued)
LOCATION 17 DX-3031A Turb. Bldg.
261 Aux. Control Room 18 DX-3031B - Turb. Bldg.
261 Aux. Control Room 19 D-8151 South Yard Foam Room 20 DA-2141 - Turb. Bldg.
261 Diesel Gen.
102 21 DA-2151 - Turb. Bldg.
261 Diesel Gen.
103 O'ETECTORS 16 0 OPERABLE 16 16 Note 1:
No two (2) adjacent detectors may be out of service simultaneously.
Amendment No. ~,
53 241o
TABLE 3.6.6a F IRE DETECTORS PROTECTING SAFETY-RELATED EQUIPMENT DETECTION ZONES LOCAL F IRE ALARM CONTROL PANEL 82 LOCATION 22 DA-2022N - Turb. Bldg.
250 North Corner 23 DA-2022S Turb. Bldg.
250 West Side 24 DA-2092E - Turb. Bldg. 261-277 Booster Pump Area 25 DA-2092W - Turb. Bl.dg..261-277 Recirc.
MG Set Area 26 DA-2162W - Turb. Bldg.
261 West Side South 27 DA-2092MG Turb. Bldg.
261 Recirc.
MG Sets 8
DETECTORS 20 22 40 36 33 15 MINIMUM 8 OPERABLE 20 22 40 36 33 15 Amendment No.
53 241-ol
TABLE 3:6.6a FIRE DETECTORS PROTECTING SAFETY-RELATED EQUIPMENT DETECTION ZONES LOCAL FIRE ALARM CONTROL PANEL ¹3 LOCATION 28 DA-2013S Turb. Bldg.
250 North Side East 29 DA-2013N - Turb. Bldg.
250 Cond. Stor.
Tank a
30 DA-2083M - Turb. Bldg.
261 Cool Mater Pump Area 31 DA-2083N Turb. Bldg.
261 Cond. Stor.
Tank 32 DX-2113A - Turb. Bldg.
261 Power Board 103 Room 33 DX-21138 - Turb. Bldg.
261 Power Board 103 Room 34 DX-2123A Turb. Bldg.
261 Power Board 102 Room 35 DX-21238 - Turb. Bldg.
261 Power Board 102 Room 36 D-5013 Screen House 250-261 P.B.
176 Area 37 D-5023 Screen House 243-256 South Side
¹ DETECTORS 16 23 17 MINIMUM TI OPERABLE 16 44 23 14 (Note 1)
Note 1:
No two (2) adjacent detectors may be out of service simultaneously.
Amendment No.
53 241-o 2
TABLE 3:6;6a FIRE DETECTORS PROTECTING SAFETY-RELATED EQUIPMENT DETECTION ZONES LOCAL FIRE ALARM CONTROL PANEL 84 LOCATION 38 D-2224 - Turb. Bldg. 277 P.B.
101 Area 39 0-2234 Turb. Bldg.
277 South East Side 40 0-3054 Turb. Bldg.
277 Control Room 8
DETECTORS 22 27 26 MINIMUM 8 OPERABLE 18 (Note 1) 22 (Note 1) 22 (Note 1)
No'te 1:
No two (2) adjacent detectors may be out of service simultaneously.
Amendment No.
53 241-o3
TABLE 3.6;6a FIRE DETECTORS PROTECTING SAFETY-RELATED EOUIPMENT DETECTION ZONES LOCAL FIRE ALARM CONTROL PANEL 85 LOCATION 41 0-2345 Turb. Bldg.
305 Rx Bldg. Supply Fan Area 42 0-2395 - Turb. Bldg.
300 Control Ventilation Area 8
DETECTORS 13 MINIMUM 8 OPERABLE 11 (Note 1)
Note 1:
No two (2) adjacent detectors may be out of service simultaneously.
Amendment No.
53 241m 4
TABLE 3;6.6a FIRE DETECTORS PROTECTING SAFETY-RELATED EQUIPMENT DETECTION ZONES LOCAL FIRE ALARM CONTROL PANEL ¹6 LOCATION 43 D-4016 - Rx Bldg.
198 Northeast Corner 44 D-4026 - Rx Bldg.
198 Northwest Corner 45 D-4036 Rx Bldg.
198 Southwest Corner 46 D-4046 Rx Bldg.
198 Southeast Corner 47 DA-4076E - Rx Bldg. - 237 East Side 48 DA-4076W - Rx Bldg. - 237 West-Side 49 D-4086 - Rx Bldg. Drywell 50 DA-4116E - Rx Bldg.
261 East Side 51 DA-4116W - Rx Bldg.
261 West Side 52 D-4156 - Rx Bldg.
281 West Side 53 D-4166 - Rx Bldg.
281 East Side
¹ DETECTORS 16 21 21 16 16 MINIMUM ¹ OPERABLE 16 7 (Note 1)
(Note 2) ll 21 13 (Note 1) 13 (Note 1)
Note 1:
No two (2) adjacent detectors may be out of service simultaneously.
Note 2:
Detectors in service only when unit is shutdown and drywell is open for major maintenance.
Amendment No.
53 241-o5
TABLE 3;6;-6a FIRE DETECTORS PROTECTING SAFETY-RELATED EQUIPMENT DETECTION ZONES LOCAL FIRE ALARM CONTROL PANEL g7 LOCATION 54 0-4197 - Rx Bldg. 298 North Side 55 D-4207 - Rx Bldg.
298 South Side 56 DA-4237 Rx Bldg.
318 Storage Area 57 0-4267 Rx Bldg.
340 58 DX-4217A - Rx Bldg. 298 Emerg.
Cond.
Vlv. Room 59 DX-4217B Rx Bldg.
298 Emerg.
Cond. Vlv. Room 0
DETECTORS 30 13 MINIMUM rf OPERABLE 7 (Note 1) 30 10 (Note 1)
Note 1:
No two (2) adjoining detectors may be out of service simultaneously.
Amendment No.
53 241~ 6
BASES FOR 3.6.6 AND 4.6.6 FIRE DETECTION The basic function and capabilities of the system are to provide the means to detect fires with a visual indication of its location and an audible alarm at central points, and also to control certain ancillary actions, such as extinguishment and ventilation subsequent to the detection of fire.
The system is comprised of seven (7) Local Fire Alarm Control Panels (LFACP) located throughout the Reactor Building and Turbine Building, primarily in a central location to the zones of fire detection for which each panel serves.
In addition there is a Hain Fire Alarm Control Panel (HFACP-2),
in the Control Room to which all seven (7) panels
- report, and their indications and control functions are duplicated.
Five types of detection instruments are employed in the system:
a)
Ionization Smoke b)
Photoelectric Smoke c)
Infrared d)
Thermal e)
Thermistor Wire The configuration of the. fire detection instrument locations has been examined and found satisfactory to detect a
fire with the minimum number of detectors operable as indicated in Table 3.6.6a.
Amendment No. Q, 53 24lp
LIMITING CONDITION FOR OPERATION SURVEILLANCE RE(UIREMENT 3.6.7 FIRE SUPPRESSION
~AE 0
Applies to the operational status of the fire suppress ion system.
Objective:
To assure the capability of the fire suppression system to provide fire suppression in the event of a fire.
E~Ei a.
The FIRE SUPPRESSION WATER SYSTEM shall be OPERABLE with; 1.
Two high pressure pumps each with a capacity of 2500 gal./min. with their discharge al i gned to the fire suppression header.
2.
Automatic initiation logic for each fire pump.
b.
With an inoperable redundant pump or water supply line inoperable, restore the inoperable equipment to OPERABLE status within 7 days or prepare and submit a
report in accordance with 6.9.2.b.
4.6. 7 FIRE SUPPRESSION
~A>>1i 0111 Applies to the survei 1 lance of the fire suppression system.
Objective:
To assure the operability of the fire suppression system to provide fire suppression in the event of a fire.
Specification:
a.
The FIRE SUPPRESSION WATER SYSTEM shall be 0
0 WRLE:
l.
At least once per 31 days by starting each pump and operating it for 30 minutes on recirculation flow.
2.
At least once per 31 days by verifying that each/valve (manual, power operatedIor automatic) in the flow path is in its correct position.
3.
At least once per 12 months by cycling each manually-operable valve through one complete cycle.
4.
At,,feast once per 6 months by a flush of the hydrants.
5.
At least once per operating cycle.
(a)
By performing a system automatic start on low header pressure.
Amendment No.
22',
53
/
241q
LIMITING CONDITION FOR OPERATION SUR VE ILL'ANCE REQUIREMENT 3.6.7 FIRE SUPPRESSION (Continued) c:
With no F IRE SUPPRESSION WATER SYSTEM
- operable, within 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />s:
1.
Establish a backup fire suppression
- system, and 2.
Report to the NRC in accordance with 6.9.2.a.
d.
The spray and sprinkler systems located in the following areas shall be OPERABLE:
1.
Automatic water spray systems (a)
Reserve Transformer 101N (b) Reserve Transformer 101S Amendment Ho.~,
53 4.6.7 FIRE SUPPRESSION (Continued)
(b) By verifying that each pump will develop a flow of at least 2500 gpm at a
pump discharge of 115 psig
~
(c) Cycling each valve in the flow path that is not testable during plant operation through at least one complete cycle of full travel.
(d) Verifying that each automatic valve in the flow path actuates to its correct position.
6.
At least once per 3 years by performing a flow test of the system in accordance with Chapter 8, Section 16 of the Fire Protection
- Handbook, 15th Edition, published by the National Fire Protection Association.
b.
The fire pump diesel engine shall be demonstrated OPERABLE:
l 1.
Daily by checking the starting air tank pressure 2.
At least once per 31 days by verifying:
(a) That the fuel day storage tank contains at least 150 gallons of fuel 241ql
LIMITING CONDITION FOR OPERATION SURVEILLANCE REQUIREMENT 3.6.7 FIRE SUPPRESSION (Continued) 2.
Automatic Sprinkler System for the Diesel Fire Pump Room in the Screen-House.
3.
Pre-Action Systems:
4.6. 7 F IRE SUPPRESS ION (Continued)
(b) The fuel storage tank contains at least 1000 gallons of fuel.
(c)
The fuel transfer pump starts and transfers fuel from the storage tank to the day tank.
e.
(a)
Rx Bldg., El.
237 (b)
Rx Bldg., El.
261 (c)
Rx Bldg., El. 318 (d) Turb. Bldg., El. 250 (e) Turb. Bldg., El.
250 (f) Turb. Bldg., El. 250 (g) Turb. Bldg., El.
250 h) Diesel Gen., El.
250 (i) Cable Spreading Room (j) Turb. Bldg., El.
261 (k) Turb. Bldg., El.
261 (1) Turb. Bldg., El.
261 (m) Turb. Bldg., El. 277 (n) Turb. Bldg., El.
300 South West North East South North East East Storage'rea With a spray or sprinkler system inoperable, establish a fire watch patrol with backup fire suppression equipment for the unprotected area within one hour.
With a pre-action system inoperable, trip system wet or establish a fire watch patrol with backup fire suppression equipment for the unprotected area within one hour.
(d)
The diesel starts from ambient conditions and operates for greater than or equal to 30 minutes on recirculation flow.
(e)
The method of starting the diesel fire engine will alternate between the normal air start method and the low air pressure start..
3.
At least once per 92 days by verifying that a sample of diesel fuel from the fuel storage tank, obtained in accordance with ASTM-D270-65, is within the acceptable limits specified in Table 1 of ASTM D975-74 with respect to viscosity, water control and sediment.
4.
At least once per six months by using the manual bypass of the solenoid on the starting air system.
24lr Amendment No. M, 53
LIMITING CONDITION FOR OPERATION SURVEILLANCE REQUIREMENT 3.6.7 FIRE SUPPRESSION (Continued) g.
Restore the system to OPERABLE status within 14 'days or prepare and submit a
report in accordance with 6.9.2.b.
4.6.7 FIRE SUPPRESSION (Continued) 5.
At least once per 18 months, subjecting the diesel to an inspection in accordance with procedures prepared in conjunction with its manufacturer's recommendations for the class of
- service, and verifying the diesel starts from ambient conditions on the auto-start signa1 and operates for greater than or equal
.to 30 minutes while loaded with the fire pump.
c.
The spray systems shall be demonstrated to be OPERABLE:
l.
At least once per 31 days by verifying that each valve, manual, power operated or automatic, in the flow path is in its correct position.
2.
At least once per year by cycling each manually operable valve through one complete cycle.
3.
At least once per operating cycle.
(a) By performing a system functional test which includes simulated automatic actuation of the system and verifying that the automatic deluge valves in the flow path actuate to their correct positions.
(b)
By visual inspection of spr ay headers to verify their integrity.
Amendment No. /;
53 241s
LIMITING CONDITION FOR OPERATION SURVEILLANCE REQUIREMENT 4.6.7 FIRE SUPPRESSION (Continued)
(c) By visual inspection of each nozzle to verify no blockage.
4 At least once per 3 years by performing an air or water flow test through each open head spray header and verifying each open head spray nozzle is unobstructed.
d.
The sprinkler system shall be demonstrated to be OPERABLE:
l.
At least once per operating cycle.
(a)
By performing a system functional test which includes simulated automatic actuation of the system.
(b)
By visual inspection of sprinkler headers to verify their integrity.
(c)
By visual inspection of each nozzle to verify no blockage.
Amendment No.
53 24'I sl
C
BASES FOR 3;6;7 AND 4.6.7 FIRE SUPPRESSION The fire water supply is provided by two vertical turbine fire pumps, one electric and a diesel-driven unit which
'are design rated at 2500 gpm at 125 psig pump discharge head.
These pumps are located in the screen house and take suction from the station cooling water intake tunnel and have relief valves set at 140 psig.
The automatic initiation logic for each fire pump indicated in Specification 3.6.7.a.2 requires that these pumps are automatically started together upon a drop in discharge header pressure.
Each pump can also be manually started.
In addition.,
the diesel fire engine will be started on low air pressure at alternate testing intervals to verify the adequacy of the low air pressure start system.
A bypass of the starting air solenoid valves is provided for additional assurance in starting the diesel fire engine.
The verification of the hydraulic performance of the fire suppression water system required once per 3 years in Surveillance Requirement 4.6.7.a.5 will be done by means of a measured hydrant flow test.
The redundant components in the fire water supply system are the fire pumps, which discharge to the same header.
They are the only components addressed in Specification 3.6.7.b.
The backup water supply system referenced in Specification 3.6.7.c.l is the Oswego City water system, which can be connected to the fire main if required.
The water spray systems provide fire protection for the safety-related reserve transformers 10'lN and 101S.
Supply for these systems is provided by the fire line.
The systems employ open nozzles and are controlled by deluge valves.
Valve actuation is by pneumatic type rate-of-rise devices installed over the protected equipment.
In addition to the automatic operation, systems may be tripped manually either at the deluge valves on elevation 250'r at remote cable pull stations on elevation 261'.
The fire control panel annunciator records system operation, low supervisory air pressure and valve closure.
In addition to the spray systems described
- above, a closed head wet pipe automatic sprinkler system is provided for the diesel.fire pump room in the Screen House on Elevation 254.
The sprinkler heads used have fusible elements rated at 165oF.
The system has flow alarms connected to the fire control panel annunciator.
Fourteen pre-action type systems are used for various hazards throughout the plant.
These systems employ closed
- heads, under an air pressure of 20 psig, and are controlled by a pre-action type valve.
Amendment No. ~
53 241t
BASES FOR 3.6.7 AND 4.6.7 FIRE SUPPRESSION Continued Valve actuation is automatic by ion ization type detectors installed over the protected equipment.
In addition to the automatic operation, systems may be tripped manually either at the pre-action valve or from the Main Fire Panel in Control Room.
System operation, low supervisory air pressure and valve closure is monitored on both the Main Fire Control and Local Fire Panels.
Amendment No. Q, 53 24ltI
LIMITING CONDITION FOR OPERATION SURVEILLANCE RE(UIREMENT 3.6.8 CARBON 0 IOXIDE SUPPRESSION SYSTEM i~ilicabal it:
App 1 i es to the op erat i ona1 status of t he carbon dioxide suppression system.
Obj ective:
To ass'ure the capability of the carbon dioxide suppression system to provide fire suppression in the event of a fire.
~Sec ifi cat i on:
a.
The C02 system, which supplies the Recir culati on Pumps Motor-Generator
- Sets, Power Boards 102 and 103, Diesel Generators 102 and 103, Cable Room fire
- hazards, shall be OPERABLE with a minimum level of 40K of tank and a minimum pressure of 250 psig in the storage tank.
b.
With one or more of the above required C02 systems inoperable, within one hour establish a continuous fire watch with backup fire suppression equipment fo'r those areas in which redundant systems or components could be damaged.
c.
The Auxiliary Control Room C02 system shall be operated as a manual backup for the Halon System.
4.6.8 CARBON DIOXIDE SUPPRESSION SYSTEM A~li bill~:
Applies to the periodic surveillance requirements of the carbon dioxide suppression system.
Objective:
To verify the operability of the carbon dioxide suppression system.
~S ecification:
a.
The COp system shall be demonstrated operable.
l.
At least once per 7 days by verifying the C02 storage tank level and pressure.
2.
At least once per 31 days by verifying that each valve, manual power operated or automatic, in the flow path is in its correct position.
3.
At least once every six months by verifying the system valves and.
associated ventilation dampers actuate automatically to a simulated actuation signal.
A brieF flow test shall be made to verify flow from each nozzle
("Puff Test" ).
Amendment No. ~,
53 241 u
LIMITING CONDITION FOR OPERATION SUR VE I LLANC E R EQU IR EMENT 3.6.8 CARBON DIOXIDE SUPPRESS ION SYSTEM (Continued) d.
Restore the system to OPERABLE status within 14 days or prepare and submit a
report in accordance with 6.9.2.b.
Amendment No. ~,
S3 241v
BASES FOR 3.6.8 AND 4.6.8 CARBON DIOXIDE SUPPRESSION SYSTEH A low pressure carbon dioxide system is installed to serve seven different safety-related hazard points in the station indicated in Specification 3.6.8.a.
Supply is provided by a 10 ton tank of liquid carbon dioxide located on elevation 261 feet.
The self-contained refrigeration unit maintains the liquid at OoF with a resultant pressure of 300 psig.
Carbon dioxide to the individual hazards is controlled by a series of carbon dioxide operated, pilot type master valves at the tank.
Each of these valves serve a group of hazard valves of similar construction located at the individual areas.
Fire extinguishment by carbon:dioxide is either by total flooding or local application.
In total flooding, sufficient C02 is injected into.a closed room or space to inert the atmosphere and suppress combustion.
Local application is employed for unenclosed areas and involves;application of C02 on the equipment protected to extinguish the fire with additional discharge to permit cooling and inhibit reflash.
The automatically, actuated COp systems employ either thermostats set at 225oF or smoke detectors to trip a
timer located in the main cardox control cabinet.
One or more sirens and a strobe light in the hazard area are initially operated for a pre-discharge period of 30 seconds to enable personnel to leave the area.
The related master and hazard valves are then opened for a timed discharge period.
Restoration of the C02 hazard area to service is accomplished manually by pushbutton at the fire control panel.
Hanual pushbutton stations are also located at the individual areas to initiate the cycle.
The control switch for each area on the fire control panel has three positions and is normally set for "Automatic" operation.
An "Alarm only" position permits
'reater safety when men are working in the hazard area and the 30 second delay may be insufficient.
A'Hanual" position permits the operator to actuate the discharge cycle on his own initiative.
An area pushbutton station will override the "Alarm only" setting on the Fire Control Panel.
Due to the high rate of personnel
- access, and thus safety requirements, the Auxiliary Control Room C02 system is a manual
- system, used to backup a total flood automatic 6X Halon system.
All C02 systems except hose reels are provided with odorizing devices as a safety measure.
A glass flask of wintergreen concentrate is inserted in a capped tee beyond each hazard valve.
This flask ruptures upon operation) of the hazard and must be replaced after each use.
In the event of total loss of D.C. control power to the C02 system, all master valves will open since their pilot valve solenoids are normally energized.
The C02 system hazard valves remain closed since their pilot valve solenoids are normally de-energized.
C02 can be discharged into an area by operating the manual lever provided in each pilot valve cabinet.
This is a manual operation within predischarge alarm or timer.
Amendment No. M, 53 24lw
BASES FOR 3.6.8 AND 4.6.8 CARBON DIOXIDE SUPPRESSION SYSTEM Continued The flow test ("Puff Test" ) of the COZ system is performed by closing the COp tank valve.
This allows only the COp vapor in the line to be discharged to the various designated areas in the plant.
Carbon dioxide hose reels are provided at various points throughout the Turbine Building.
These reels are provided with 150 feet of 1" high pressure hose with manual shutoff at the nozzle.
Removal of the nozzle from its mounting bracket trips a switch which opens the master valve serving the hose reels.
Carbon dioxide then flows to the nozzles of all hose reels.
No odorant capsules are provided for hose reels.
Certain hose stations are provided with timer operated bleeder valves to discharge vapor and speed arrival of liquid COp at the hose station.
All system operations are monitored on the annunciator on the fire control panel.
Amendment No. ~, 53 241x
LIMITING CONDITION FOR OPERATION SURVE ILLANCE REQUIREMENT 3.6.9 FIRE HOSE STATIONS 4.6.9 FIRE HOSE STATIONS blitt:
e li Atlitlliy, Applies to the operational status of the fire hose stations.
Applies to the periodic surveillance of the fire hose stations.
Objective:
To assure the capability of the fire hose stations to provide fire suppression in the event of a fire.
Objective:
To assure the operab i 1 ity of the fire hose station to provide fire suppression in the event of a fire.
a.
The fire hose stations in the locations shown in Table 3.6.9a shall be operable.
b.
With one or more of the fire hose stations shown in Table 3.6.9a inoperable, route an additional equivalent capacity fire hose to the unprotected area(s) from an operable hose station within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> if the inoperable fire hose is the primary means of fire suppression, otherwise route the additional hose within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
c.
Restore the inoperable fire hose station(s) to operable status within 14 days or prepare and submit a report in accordance with 6.9.2.b.
Specification:
a.
Each fire hose station shown in Table 3.6.9a shall be verified to be OPERABLE:
l.
At least once per 31 days by visual inspection of the fire hose stations accessible during plant operation to assure all required equipment is at the station.
b.
At least once per operating cycle by:
1.
Visual inspection of the fire hose stations not accessible during plant operation to assure all required equipment is at the hose station.
2.
Removing the hose for inspection and re-racking.
3.
Inspecting all gaskets and replacing any degraded gaskets in the couplings.
Amendment No. +,
53 241y
LIMITING CONDITION FOR OPERATION SURVEILLANCE RE(UIREMENT 4.6.9 FIRE HOSE STATIONS (Continued) c.
At least once per 3 years by:
1.
Partially opening each hose station valve to verify valve operability and no flow blockage.
2.
Conducting a hose hydrostatic test at a pressure at least 50 psig greater than the maximum pressure available at any hose station.
Amendment No.
53 241-y I
l.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.-
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
~Buil din TURBINE TURBINE TURBINE TURB INE R EACTOR REACTOR R EACTOR REACTOR R EACTOR REACTOR REACTOR REACTOR REACTOR REACTOR REACTOR REACTOR WASTE WASTE WASTE TURBINE TURB INE TURBINE TURB INE TURB INE TURB INE TURBINE TURB INE DIESEL DIESEL Elevation~feet 267 267 267 267 346 346 324 324 309 304 287 287 267 267 243 243 267 267 267 375 357 311 311 311 297 297 267 267 267 Tab1e 3.6. 9a FIRE HOSE STATIONS Co1umn Aa-7 C -3 G -2 H -9 L -1?
P -4 K -ll P -5 K -11 P -5 K -ll P -5 K -11 P -5 K -11 P -5 H -19 MB-19 MB-16.
H -8 H -10 H -9 G -2 C -3 H -9 G -2 F -15 C -18 Ba-17
)
f Station Number FS-144 FS-132 FS-128 FS-123 FS-112 FS-106 FS-111 FS-105 FS-110 FS-104 FS-109 FS-103 FS-108 FS-102 FS-107 FS-101 FS-301 FS-300 FS-] 16 FS-126 FS-121 FS-125 FS-130 FS-134 FS-124 FS-129 FS-117 FS-164 FS-166 Amendment No. ~,
53 2417
~Buildin Elevation feet Table 3.6.9a FIRE HOSE STATIONS
~continued Column Station Number 30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
TURBINE DI ESEL DIESEL TURBINE
'URB INE TURBINE TURBINE
. TURBINE TURBINE TURBINE TURBINE TURBINE TURBINE TURBINE TURBINE TURBINE TURBINE SCREEN TURB INE TURB INE REACTOR REACTOR REACTOR REACTOR REACTOR SCREEN TURBINE 256 256 256 256 267 267 267 297 283 283 283 283 256 256 256 256 256 256 277 256 267 267 243 243 243 262 306 Aa-13 Aa-17 C -17 H -9 Aa-14 B -2 P -14 C -3 B -2
.. Aa-7 Aa-13 F -15 Aa-7 B -2 C -3 G -2 M -13 UV-16 H -9 F -16 Track Bay M -12 P -9 Drywe11 Entrance P-g R-14 Aa-13 FS-152 FS-163 FS-165 FS-122 FS-156 FS-139 FS-114 FS-133 FS-140 FS-145 FS-153 FS-118 FS-143 FS-138 FS-131 FS-127 FS-115 FS-408 FS-405 FS-406 FS-401 FS-422 FS-402 FS-403 FS-404 FS-113 FS-154 1
1 l
t Amendment No. ~
53 241aa
LIMITING CONDITION FOR OPERATION SURVEILLANCE REQUIREIIENT 3.6. 10 ADDITIONAL FIRE E UIPHENT 4.6.10 ADDITIONAL FIRE EQUIPMENT 3.6.10.1 FIRE BARRIER PENETRATIONS 4.6.10.1 FIRE BARRIER PENETRATIONS To assure the capability of the fire barrier penetrations to perform -their
'ntended function.
~S ecification:
a ~
b.
C.
d.
= protecting safety related areas shall be intact.
With one or more of the above.required fire barrier penetrations non-functional, within one hour establish a continuous fire watch -on one side of the affected penetration, or Verify the operability of fire detectors on one side of the non-functional fire barrier and establish a fire watch patrol.
Restore the non-functional fire
. barrier penetra t i ons to functional status within 14 days or prepare and submit a report in accordance with
. 6.9.2.b.
p~li bill Applies to the condition of the fire barrier penetrations, including cable penetration barriers, fire doors and fire damp ers.
Objective:
A~li bi1i g:
Applies to the periodic surveillance requirements for the fire barrier penetrations.
Objectives:
To verify the condition of the fire barrier penetrations.
~Sifts a.
Fire barrier penetrations shall be verified to be functional by:
l.
A visual inspection at least once per opearting cycle.
2.
A visual inspection of a fire
-barrier penetration after repair or maintenance',
prior to restoring the fire barrier penetration to functional status.
241-cc Amendment No.~,
53
BASES FOR 3.6.10.1 AND 4.6.10.1 FIRE BARRIER PENETRATION FIRE SEALS Cable penetrations of the primary containment (drywell and pressure suppression chamber),
reactor building, auxiliary control room and the cable room have been designed to provide adequate fire stop and to prevent a flre from spreading through the penetration.
Orywell and pressure suppression chamber penetrations are double-sealed, 12-inch pipes that are inerted with nitrogen.
Reactor building penetrations consist of standard conduit (pipe)
- sleeves, which vary in diameter from 3/4" to 4" and which are sealed at both ends.
The auxiliary control room and the cable room have formed pipe sleeves and cable tray penetrations.
These sleeves and penetrations are sealed at the ends with rock-wool filler and externally applied fire-resistant material for fire proofing.
The local leak test required in Surveillance Requirement 4.6.10.1.a.2 will be performed by a non-hazardous met to ensure penetration integrity (an example of an acceptable local leak testing method is the "Downy Wand Test" or equivalent).
Amendment Nn.+,
53 241dd
LIMITING CONDITION FOR OPERATION SURVEILLANCE REQUIREMENT 3.6.10.2 HALON SUPPRESSION SYSTEM 4.6.10.2 HALON SUPPRESSION SYSTEM AJJ1i billet Applies to the operational status of the Halon suppression system.
Objective:
To assure the capability of the Halon suppression system to provide fire suppression in the event of a fire.
Specification:
App 1 icab ility:
Applies to the periodic surveillance requi remen t of the Hal on supp res s ion system.
Objective:
To verify the operability of the Halon suppression system.
Specification:
a ~
b.
c ~
The Halon systems which supply the Auxiliary Control and Emergency Condenser I.V. Rooms shall be operable with the storage tanks having at least 95K of full charge weight (level) and 90K of full charge pressure.
With a Halon system inoperable, within one hour establish a continuous fire watch with backup fire suppression equipm nt.
Restore the system to operable status within 14 days or prepare and submit a
report in accordance with 6.9.2.b.
a.
Each of the required Halon systems shall be demonstrated operable:
At least once per 31 days by verifying that each valve, manual, power operated or automatic, in the flow path is in its correct position.
2.
At least once per 6 months by verifying Halon storage tank weight (level) and pressure.
3.
At least once per 18 months by:
(a) Verifying the system and associated ventilation dampers and fire door release mechanisms actuate manually and automatically.
(b) Performance of a flow test through headers and nozzles to assure no blockage.
Amendment No.
53 241-ddl
BASES FOR 3.6.10.2 AND 4.6.10.2 HALON SUPPRESSION SYSTEM The Halon 1301 fire protection systems are a gaseous fire suppressant system used in the Auxiliary Control and the Emergency Condenser Isolation Valve Rooms.
The flalon 1301 fire protection system is comprised of a fire.detection system status monitoring network and a
fire suppression system.
The fire detection system's status monitoring network monitors the areas covered by the Halon 1301 systems for fire conditions and system abnormalities.
The fire suppression system consists of storage tanks of Halon 1301 and a delivery system to route Halon 1301 to the affected area in the event of a fire.
Fire extinguishment by Halon 1301 is by total flooding.
In total flooding, sufficient Halon is injected into the area to extinguish the fire.
Both Halon systems are provided with odorizing devices as a safety measure.
A glass flask of wintergreen concentrate is inserted in a capped tee in the main line piping.
This flask ruptures upon operation of the system and must be replaced after each operation.
A siren and strobe light in the protected area are initially operated for a pre-discharge period of 30 seconds to enable personnel to leave the area.
Both systems may be manually tripped, either from the Main Fire Control Panel or at the storage banks.
Amendment No.
53 241-dd2
LIMITING CONDITION FOR OPERATION SURVE Il LANCE REQUIREMENT 3.6.10.3 YARD FIRE HYDRANTS AND HYDRANT HOSE HOUSES 4.6.10.3 YARD FIRE HYDRANTS AND HYDRANT HOSE HOUSES
~A1i bill Applies to the operational status of the Yard Fire Hydrants and Hose Houses.
Objectives:
To assure the capability of the yard fire hydrant to provide fire suppression in the event of a fire.
Specification:
Applicabi 1 ity:
Applies to the periodic surveillance requirement of the yard fire hydrants and associated hose houses.
Objective:
To assure the operability of the yard fire hydrant to provide fire suppression in the event of a fire.
Specification:
b.
c ~
The yard fire hydrants shown in Table 3.6.10.3a shall be operable.
With one or more of the yard fire hydrants or associated hydrant houses shown in Table 3.6.10.3a inoperable, route sufficient additional lengths of 2-1/2 inch diameter hose located in an adjacent operable hydrant hose house to provide service to the unprotected area(s) within one hour, if the inoperable fire hydrant is the primary means of fire suppression, otherwise, route an additional hose within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
Restore the inoperable hydrant(s) and/or hose house(s) to operable status within 14 days or prepare and submit a report in accordance with 6.9.2.b.
a.
Each of the yard fire hydrants and associated hose houses shown in Table 3.6.10.3a shall be demonstrated operable:
l.
At least once per 31 days by visual inspection of the hydrant hose house to assure all required equipment is at the hose house.
2.
At least once per 6 months during March, April, May and during September, October and November by visually inspecting each yard fire hydrant and verifying that the hydrant barrel is dry and that the hydrant is not damaged.
3.
At least once per 12 months by:
(a) Conducting a hose hydrostatic test at a pressure at least 50 psig greater than the maximum pressure available at any yard fire hydrant.
(b) Replacement of all degraded gaskets in couplings.
Amendment No.
53 241-dd3
TABLE 3.6.10.3a YARD FIRE HYDRANTS AND ASSOCIATED HYDRANT HOSE HOUSES
~dt II b
3 Location El. 261' West El. 261' Southwest Amendment No.
53